Butterfly and Hummingbird Roll Out Seed Mat. Preseeded mat lets you roll out a butterfly and hummingbird garden–no digging, furrowing or planting by hand! Custom designed by a horticulturist to ensure beautiful and professional-looking results. Each 8 sq. mat contains hundreds of seeds between 100% recycled paper layers to grow rich, colorful blossoms. Bachelors Button, Daisies and 11 other varieties; 12 – 48. Partial Sun.